Alan Zisman on the Mac

Computer Disaster Ends Happily

I bought the Intel
iMac on Halloween 2006: Core 2 Duo, 2 GB RAM, 250 GB hard
drive. It let me get in on Apple's shift to Intel processors, gaining
the ability - vital for my Mac2Windows
articles - to experiment with the various ways to run Windows (and
other PC operating systems) at reasonable speeds on Macs.

It's Getting Slow

Lately, though, I've been more likely to use a notebook for most of
my computing, and the iMac got taken over by my wife. But recently,
she'd been getting increasingly frustrated with it. Her complaint: It
was taking longer and longer to do simple things - open programs, for
instance. Copy files. Start up.

And she was right. When I came over and looked, the cute little
coloured spinning wheel was spinning far too often for far too
long.

Lots of mysterious-seeming Mac problems can be cured by repairing
permissions. So I booted to my Leopard install disc, clicked on the
Utilities menu, chose Disk Utility, and told it to repair permissions.
(One of the really handy things about recent OS X install discs is
the set of utilities that can be run without needing to install the
operating system. Good design decision, Apple.)

Disk Utility found a whole slew of permissions needing repairs - and
fixed them. Or so it said.

Repair Permissions is an option in Disk Utility.

But after restarting, the system seemed just as slow as before. And
after rebooting and rerunning Disk Utility, the same errors were found
and reportedly fixed. Repeat, and the same thing happened again. And
again.

Each time, Disk Utility's Repair Disk option reported that the hard
disk was just fine, thanks.

Because I'd had hard disk failures on other systems in the past, I
now run the little free SMARTReporter (SMART is a monitoring
system for hard drives intended to predict failures) on all my Macs -
it also reported that the hard disk was okay.

My next step was going to be to erase the contents of the disk and
reinstall Mac OS X, applications, and data. Hopefully a new fresh
start would fix whatever was causing both the recurring file permission
problems and the slowdown.

Importance of Backup

The good news - the system was set up to use Apple's Time Machine to
make regular backups to an external hard drive. But I've had bad
experiences with backups; even though the Time Machine backup seemed
okay, I wanted a backup to the backup . . . Linda's photos
and other documents are too important to her.

I have a 16 GB USB memory stick that had enough free space to hold
all her stuff, so I dragged her Documents and Pictures folders to it.
On a computer that was functioning normally, copying 6 GB or so of
files shouldn't have taken too long. In this case, I had to let it run
over night.

A Fresh Start

Next morning, feeling like I could guarantee that I could reinstall
Linda's data, I booted again to my Leopard install disc, and again
opened up Disk Utilities. This time, I went to its partition tab,
removed the existing partition, and created a new one - I didn't want
any file system problems carried over from the old installation. It
seemed to take an excessively long time to format the partition, but
eventually it finished, letting me start a clean OS X
installation.

You can partition your hard drive using Disk Utility.

Though that normally takes an hour or so, when I went to bed, it was
about 40% done - again, I left it to run overnight. In the morning,
there was a warning message that the installation program was unable to
copy all required files.

Maybe there's a problem with my Leopard install disc?

Hard Drive Problem?

The flawed installation, however, had gone much too slowly; maybe it
was a hardware problem rather than a software or file system problem.
I've replaced lots of hard drives in lots of computers, but I wasn't
sure how to get at the hard drive in this one.

The first generation of 'slab' iMacs had an easily removable back,
making the hard drive, memory, wireless card, and more easily
accessible. But in all the following models - the ones with the
built-in iSight cameras - the guts were much harder to get to - there's
a panel on the bottom so users can easily upgrade the RAM, but
accessing other parts is much more work. Some time researching online
convinced me that I didn't want to replace this hard drive myself.

"I didn't want to replace this hard drive by myself."

I repartitioned the drive (again - and just as slowly) and tried the
OS X 10.4 "Tiger" disc that had come with the iMac when it was
new, though I didn't think that would be of much use. At the same time,
I made an appointment for the next day at the Genius Bar in my local
Apple Store.

The Tiger installer ran - again, very slowly. At one point, it
claimed it would need 53 hours to finish the installation. Again, I let
it run overnight. In the morning, it was finished - with Disc 1; it
wanted me to insert Disc 2 to continue the installation. Instead, I
gave up, ejecting the disc, shutting the system down, packing it up,
and hauling it to the Apple Store in Vancouver's Pacific Centre
Mall.

The Genius Bar

The Genius listened to me explain why there probably wasn't much
need to plug in the computer and turn it on - that there wasn't a
complete operating system installed. After listening patiently as I
explained everything I'd tried, he agreed that the hard disk probably
needed replacement.

His suggestion surprised me - take it to one of Vancouver's
independent Apple dealers, he said.

His explanation - I could leave it at the Apple Store and have the
work done by Apple, but they would only replace my 250 GB drive with
another 250 GB drive, and it would probably cost more that if I had it
done elsewhere.

I can take a hint - I took the iMac across town to Apple dealer
Simply Computing. Agreeing that the
issue was probably the drive, the technician offered me either a
replacement 250 GB drive for CDN$80 or a $500 GB drive for CDN$91. Even
though my wife's data needs are fairly modest, for such a small
difference in price I went with the larger drive.

Labour to install the drive: one hour (CDN$80). For an additional
half-hour labour they would install the operating system; by showing
them that I owned a retail Leopard package, they offered to install
Leopard - handy for me since I now have suspicions there may be
problems with my Leopard install disc.

Best of all - even though it was around noon when I dropped it off,
they thought the work would be done by the end of that afternoon.

And it was! (Kudos to the Simply Computing techs - and to the Apple
Store Genius Bar guy who suggested I take my repair job elsewhere!)

Time Machine Comes Through

Even though I'd carefully made a copy of Linda's documents (etc.) on
my USB memory stick (taking a day in the process), I didn't need
it.

When I got the iMac home and fired it up, the first thing it asked
was whether I wanted to transfer files from another system or a backup.
Choosing backup, it found the connected Time Machine drive, let me
choose to copy over Linda's stuff (and let me ignore my old user
account), settings, and applications.

All very smooth. Just one little complaint - the process sat at "One
minute remaining: transferring application support files" for about 20
minutes. Just as I was about to conclude that it had hung, it finally
popped up the screen reporting that it was done.

After that, it restarted to Linda's familiar desktop. All her files
were in place, the printer printed, the scanner scanned, and all as it
should be. (Well, one minor glitch - iPhoto wouldn't start until I
reran the iLife installer. But all things considered, getting Linda's
stuff restored onto the new hard drive was very smooth.)

Some lessons:

It can be hard to tell whether a computer problem is hardware-based
or software-based. I spent a lot of time repairing permissions and
trying to reinstall the operating system that was to no avail. Still,
it was worth trying.

Some Apple systems - think the coloured G3 and G4 towers, for
instance - have been designed for easy access to the components. Other
systems - from the original "classic" Mac on - have been much harder
for do-it-yourself repairs and upgrades. I wish Apple paid as much
consistent attention to designing for accessibility as they do to
designing for physical appearance.

On the other hand, Apple has done an exceptionally good job with
Time Machine and the Migration Assistant of making it easy to recover
from this sort of problem. Of course, this assumes that the user has
backups to restore from.

It's easy to dump on computer technicians. In this case, however,
when I finally took my Mac in for service, everyone I dealt with - both
at the Apple Store and at my independent Mac dealer - was helpful,
honest, gave good value, and got the job done quickly. I couldn't ask
for more.

I always purchase extended warranties for notebooks, but tend not
to bother with desktop systems. In this case, if I had purchased
AppleCare for this iMac, the cost of the new drive would have been
covered - this happened 3 months before what would have been the end of
the extended warranty. On the other hand, AppleCare costs CDN$199 (plus
tax) for this system; that's almost exactly what the repair cost, so I
can't conclude that I should have purchased the extended warranty.

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Welcome Image and Text

We believe in the long term value of Apple hardware. You should be able to use your Apple gear as long as it helps you remain productive and meets your needs, upgrading only as necessary. We want to help maximize the life of your Apple gear.